PL210105A1 - TROUBLE AUXILIARY HOUSING IN THE AREA OF THE WALL-SIDEWHEAD CROSSING AREA - Google Patents
TROUBLE AUXILIARY HOUSING IN THE AREA OF THE WALL-SIDEWHEAD CROSSING AREAInfo
- Publication number
- PL210105A1 PL210105A1 PL21010578A PL21010578A PL210105A1 PL 210105 A1 PL210105 A1 PL 210105A1 PL 21010578 A PL21010578 A PL 21010578A PL 21010578 A PL21010578 A PL 21010578A PL 210105 A1 PL210105 A1 PL 210105A1
- Authority
- PL
- Poland
- Prior art keywords
- area
- sidewhead
- wall
- auxiliary housing
- crossing
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2745358A DE2745358C3 (en) | 1977-10-08 | 1977-10-08 | Auxiliary expansion for the transition to the longwall section |
Publications (1)
Publication Number | Publication Date |
---|---|
PL210105A1 true PL210105A1 (en) | 1979-07-30 |
Family
ID=6020996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL21010578A PL210105A1 (en) | 1977-10-08 | 1978-10-06 | TROUBLE AUXILIARY HOUSING IN THE AREA OF THE WALL-SIDEWHEAD CROSSING AREA |
Country Status (5)
Country | Link |
---|---|
US (1) | US4175891A (en) |
DE (1) | DE2745358C3 (en) |
GB (1) | GB2006864B (en) |
PL (1) | PL210105A1 (en) |
ZA (1) | ZA785175B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2192021B (en) * | 1986-06-26 | 1990-03-21 | Gullick Dobson Ltd | A roof engaging structure for a mine roof support |
GB8907637D0 (en) * | 1989-04-05 | 1989-05-17 | Dowty Hucknall Ltd | A gate end roof support assembly |
CN108442959A (en) * | 2018-05-07 | 2018-08-24 | 陕西开拓建筑科技有限公司 | A kind of girdle gob side entry retaining lane keeps off cash holder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2801522A (en) * | 1952-02-28 | 1957-08-06 | Kohlenbergban Leitung Deutsche | Mine arch supports |
DE1802445A1 (en) * | 1968-10-11 | 1970-05-27 | Gewerk Eisenhuette Westfalia | Lifting table, especially for a transfer point from a face conveyor to a line conveyor |
DE2557255C2 (en) * | 1975-12-19 | 1984-07-26 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Striding expansion unit, especially for use in thick seams |
-
1977
- 1977-10-08 DE DE2745358A patent/DE2745358C3/en not_active Expired
-
1978
- 1978-09-12 ZA ZA00785175A patent/ZA785175B/en unknown
- 1978-09-15 GB GB7837068A patent/GB2006864B/en not_active Expired
- 1978-10-06 PL PL21010578A patent/PL210105A1/en unknown
- 1978-10-10 US US05/950,536 patent/US4175891A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2745358A1 (en) | 1979-04-12 |
DE2745358B2 (en) | 1979-09-13 |
US4175891A (en) | 1979-11-27 |
ZA785175B (en) | 1979-08-29 |
GB2006864A (en) | 1979-05-10 |
DE2745358C3 (en) | 1980-05-22 |
GB2006864B (en) | 1982-03-31 |
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